## jabber ##
* **debug** (Boolean) - Enable debug level for the jabber account synchronisation.
+* **lockpath** - Must be writable by the ejabberd process. if set then it will prevent the running of multiple processes.
## system ##
* **frontend_worker_timeout** - Value in minutes after we think that a frontend task was killed by the webserver. Default value is 10.
* **hsts** (Boolean) - Enables the sending of HTTP Strict Transport Security headers
* **ignore_cache** (Boolean) - For development only. Disables the item cache.
+* **instances_social_key** - Key to the API of https://instances.social which retrieves data about mastodon servers. See https://instances.social/api/token to get an API key.
* **ipv4_resolve** (Boolean) - Resolve IPV4 addresses only. Don't resolve to IPV6. Default value is false.
* **like_no_comment** (Boolean) - Don't update the "commented" value of an item when it is liked.
* **local_block** (Boolean) - Used in conjunction with "block_public".